Avenel-Hillandale, Maryland

Avenel-Hillandale was a Census-designated place in Montgomery and Prince George's Counties in Maryland during the 1970 United States Census. which consists of the communities of Avenel, Hillandale and Adelphi. The population in 1970 was 19,520. The census area reorganized to the present day CDPs of Hillandale and Adelphi in 1980. The ZIP codes serving the area are 20783 and 20903.

Avenel-Hillandale, Maryland

Avenel-Hillandale was a Census-designated place in Montgomery and Prince George's Counties in Maryland during the 1970 United States Census. which consists of the communities of Avenel, Hillandale and Adelphi. The population in 1970 was 19,520. The census area reorganized to the present day CDPs of Hillandale and Adelphi in 1980. The ZIP codes serving the area are 20783 and 20903.